N,N,N',N'-Tetramethyl-O-(N-succinimidyl)uronium hexafluorophosphate

N,N,N',N'-四甲基-O-(N-琥珀酸亚胺基)脲六氟磷酸盐

Also known as: HSTU, O-(N-Succinimidyl)-1,1,3,3-tetramethyluronium hexafluorophosphate, N-{(Dimethylamino)[(2,5-dioxopyrrolidin-1-yl)oxy]methylene}-N-methylmethanaminium hexafluorophosphate, 2-Succinimido-1,1,3,3-tetramethyluronium hexafluorophosphate, [Bis(dimethylamino)methylene](2,5-dioxo-1-pyrrolidinyl)oxonium hexafluorophosphate

N,N,N',N'-Tetramethyl-O-(N-succinimidyl)uronium hexafluorophosphate (CAS 265651-18-1) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C9H16F6N3O3P and a molecular weight of 359.20600 g/mol. It is also known as HSTU, O-(N-Succinimidyl)-1,1,3,3-tetramethyluronium hexafluorophosphate and N-{(Dimethylamino)[(2,5-dioxopyrrolidin-1-yl)oxy]methylene}-N-methylmethanaminium hexafluorophosphate. Key property: a melting point of 218-221ºC. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

265651-18-1

Jingsj CID

J-1110091-3

Molecular Formula

C₉H₁₆F₆N₃O₃P

Chinese Name

N,N,N',N'-四甲基-O-(N-琥珀酸亚胺基)脲六氟磷酸盐

Molecular Weight

359.20600 g/mol

Category

Organic Acids

Last updated

8/21/2026